NPI Portal NPI Lookup & Verification

Daniel Hammaker

Daniel Hammaker is a Dentist provider (Dentist) practicing in Novi, MI, registered in the NPPES registry with NPI 1003228966 since 2014. Practices at Herbert J. Elfring Jr., D.D.S., P.C. (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1003228966
Entity type Individual (Type 1)
Name Daniel Hammaker
Sex Male
Practice address Novi, MI, 48375
Phone 2484420400
Enumeration date 2014-05-27
Last updated in NPPES 2020-05-25

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
122300000X Dentist Primary 2901021219 MI
Copy-ready billing details
Provider: Daniel Hammaker
NPI: 1003228966
Taxonomy: 122300000X (Dentist)
Address: Novi, MI, 48375

Other providers at this practice address

NPI Name Type Specialty Location
1538401575 Herbert J. Elfring Jr., D.D.S., P.C. Organization Dentist Novi, MI

Verify this record

Cross-check NPI 1003228966 against the authoritative CMS record: view Daniel Hammaker on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Daniel Hammaker?
The National Provider Identifier (NPI) for Daniel Hammaker is 1003228966, a Type 1 (individual) record in the CMS NPPES registry.
Where does Daniel Hammaker practice?
The practice location on file with NPPES is in Novi, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2020-05-25.